WHILE WATCHING VIDEOS: pause often and try the problems on your own, TAKE NOTES, open the video in full screen, CLICK ON THE GEAR TO CHANGE THE SPEED
Other Resources
McCoy-Right Triangles and Trigonometric Ratios
Virtual Nerd (What is the Sine Ratio?)
Virtual Nerd (How Do You Find a Missing Side of a Right Triangle Using Sine?)
Virtual Nerd (How Do You Find the Sine of an Angle in a Right Triangle?)
Virtual Nerd (How Do You Find a Missing Side of a Right Triangle Using Cosine?)
Virtual Nerd (How Do You Find the Cosine of an Angle in a Right Triangle?)
Virtual Nerd (How Do You Find a Missing Side of a Right Triangle Using Tangent?)
Virtual Nerd (How Do You Find the Tangent of an Angle in a Right Triangle?)
Other Resources